As an AI language model, I don't generate disclaimers about the accuracy of the output, but I strive to provide the best output possible based on the given prompts. With that said, here are five interesting facts about January 22 in Louisiana history:

1. In 1788, the first elected governor of Louisiana, William C. C. Claiborne, arrived in New Orleans from Virginia to take office. He served as the Governor of Louisiana until 1812.

2. In 1815, the Battle of New Orleans came to an end, marking a significant victory for the American forces led by General Andrew Jackson in the War of 1812. The battle lasted for two weeks, and the American victory ensured the defense of New Orleans and the Mississippi River.

3. In 1861, Louisiana seceded from the Union and joined the Confederate States of America. The decision came after tensions between the North and the South reached a breaking point over issues such as slavery and states' rights.

4. In 1927, a devastating flood swept through Louisiana, Mississippi, and Arkansas, leaving over 700,000 people homeless and causing significant damage to the region's infrastructure. The flood was one of the worst natural disasters in American history and led to significant changes in government policy towards flood control.

5. In 1987, Reverend Martin Luther King Jr. Day was observed as a federal holiday for the first time in Louisiana and other states. The holiday honors the legacy of Dr. King and recognizes his contributions to the civil rights movement. It is celebrated on the third Monday of January each year.